<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    ul {
        text-align: center;
        list-style: none;
    }
    
    li {
        width: 200px;
        height: 200px;
        float: left;
        background-color: hotpink;
        line-height: 200px;
    }
</style>

<body>
    <ul>
        <li>1</li>
        <li>1</li>
        <li>1</li>
        <li>1</li>
    </ul>
</body>

</html>